fix: left/right top resize on RectangleTools not working
P11.17: first version
fix: isScreenLocked
filename saved in PaintroidAppliaction
replace question when save option + log
FileIO class modified
getting loaded file for override
refactor file path variable
added FileName variable
no override option implemented, file load updated
added override boolean
distinguish between loaded file and new painting
test implemented
cleanup
override question save as
added Testcase override file
added Testcase save image different name
ignore  screen locked test
fix bug and remove comments
Merge branch 'master' into P11.17_Crash_on_stamp_zoomed_out

Conflicts:
	PaintroidTest/src/org/catrobat/paintroid/test/integration/BaseIntegrationTestClass.java
calculate tool position